diff --git a/string/doc/credits.xml b/string/doc/credits.xml
index 90cd052..ecc11e6 100644
--- a/string/doc/credits.xml
+++ b/string/doc/credits.xml
@@ -10,10 +10,10 @@
             were the contributions of Thorsten Ottosen, Jeff Garland and the other boost members who participated
             in the review process, namely David Abrahams, Daniel Frey, Beman Dawes, John Maddock, David B.Held, Pavel Vozenilek
             and many other.
-		</para>
-		<para>
-			Additional thanks go to Stefan Slapeta and Toon Knapen, who have been very resourceful in solving the
-			portability issues.
-		</para>
+        </para>
+        <para>
+            Additional thanks go to Stefan Slapeta and Toon Knapen, who have been very resourceful in solving various
+            portability issues.
+        </para>
     </section>
 </section>